/*
 * Copyright 2025 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package org.cangnova.cangjie.types

import org.cangnova.cangjie.descriptors.TypeAliasDescriptor
import org.cangnova.cangjie.descriptors.TypeParameterDescriptor
import org.cangnova.cangjie.descriptors.annotations.AnnotationDescriptor


interface TypeAliasExpansionReportStrategy {
    fun wrongNumberOfTypeArguments(typeAlias: TypeAliasDescriptor, numberOfParameters: Int)
    fun conflictingProjection(typeAlias: TypeAliasDescriptor, typeParameter: TypeParameterDescriptor?, substitutedArgument: CangJieType)
    fun recursiveTypeAlias(typeAlias: TypeAliasDescriptor)
    fun boundsViolationInSubstitution(
        substitutor: TypeSubstitutor,
        unsubstitutedArgument: CangJieType,
        argument: CangJieType,
        typeParameter: TypeParameterDescriptor
    )

    fun repeatedAnnotation(annotation: AnnotationDescriptor)

    object DO_NOTHING : TypeAliasExpansionReportStrategy {
        override fun wrongNumberOfTypeArguments(typeAlias: TypeAliasDescriptor, numberOfParameters: Int) {}
        override fun conflictingProjection(
            typeAlias: TypeAliasDescriptor,
            typeParameter: TypeParameterDescriptor?,
            substitutedArgument: CangJieType
        ) {
        }

        override fun recursiveTypeAlias(typeAlias: TypeAliasDescriptor) {}
        override fun boundsViolationInSubstitution(
            substitutor: TypeSubstitutor,
            unsubstitutedArgument: CangJieType,
            argument: CangJieType,
            typeParameter: TypeParameterDescriptor
        ) {
        }

        override fun repeatedAnnotation(annotation: AnnotationDescriptor) {}
    }
}
